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Internal Medicine Doctors in Illinois

Data updated monthly · Last refresh October 2026

7,189 Internal Medicine providers practice in Illinois, including 1,260 (18%) offering telehealth. The largest concentration is in Chicago. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

7,189providers
1,260telehealth
Chicagotop city

Internal Medicine by city in Illinois

Choose a city to see providers there.

Internal Medicine in Chicago2,841 providers
Internal Medicine in Maywood252 providers
Internal Medicine in Springfield196 providers
Internal Medicine in Evanston180 providers
Internal Medicine in Peoria171 providers
Internal Medicine in Oak Lawn169 providers
Internal Medicine in Park Ridge160 providers
Internal Medicine in Urbana142 providers
Internal Medicine in Rockford81 providers
Internal Medicine in Naperville73 providers
Internal Medicine in Mchenry72 providers
Internal Medicine in Berwyn68 providers
Internal Medicine in Skokie64 providers
Internal Medicine in Elgin61 providers
Internal Medicine in Oak Park59 providers
Internal Medicine in Glenview58 providers
Internal Medicine in Arlington Heights53 providers
Internal Medicine in Elmhurst48 providers
Internal Medicine in Decatur44 providers
Internal Medicine in Aurora44 providers
Internal Medicine in Long Grove42 providers
Internal Medicine in North Chicago41 providers
Internal Medicine in Joliet40 providers
Internal Medicine in Lombard38 providers

Internal Medicine providers in Illinois

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Jose Rivera Guerrero, M.D.
Crest Hill, IL · $320 in drug and device payments (2025) · (815) 280-5796
Dr. Shwetha Manjunath, MD
Crest Hill, IL · No drug or device payments recorded (2025) · Telehealth · (224) 717-6206
Dr. Deborah Basile, MD
Crestwood, IL · No drug or device payments recorded (2025) · (888) 220-6432
Dr. Luciano Fochesatto Filho, M.D.
Crestwood, IL · No drug or device payments recorded (2025) · (708) 385-2400
Dr. Zafar Ahmed, MD
Crestwood, IL · $61 in drug and device payments (2025) · (708) 385-2400
Dr. Abhirami Ravichandran
Crystal Lake, IL · No drug or device payments recorded (2025) · (779) 220-5500
Dr. Barbara Burrell, MD
Crystal Lake, IL · No drug or device payments recorded (2025) · Telehealth · (815) 455-6000
Dr. Carol Kotzan, M.D.
Crystal Lake, IL · No drug or device payments recorded (2025) · (815) 455-7200
Dr. Daniela Huerta De Hathaway, MD
Crystal Lake, IL · No drug or device payments recorded (2025) · Telehealth · (815) 338-6600
Dr. George Gancayco, M.D.
Crystal Lake, IL · No drug or device payments recorded (2025) · (815) 459-2200
Dr. Gilbert Egekeze, MD
Crystal Lake, IL · $1,020 in drug and device payments (2025) · Telehealth · (815) 477-7800
Dr. Jonathan Huang, M.D.
Crystal Lake, IL · No drug or device payments recorded (2025) · (815) 455-6000
Dr. Lindsay Esch, M.D.
Crystal Lake, IL · No drug or device payments recorded (2025) · Telehealth · (815) 338-6600
Dr. Marvin Salzmann, MD
Crystal Lake, IL · No drug or device payments recorded (2025) · (815) 455-1344
Dr. Mukesh Arora, MD
Crystal Lake, IL · $1,158 in drug and device payments (2025) · (815) 455-8600
Dr. Raman Popli, MD
Crystal Lake, IL · No drug or device payments recorded (2025) · (815) 363-6055
Dr. Robert Brizzolara, M.D.
Crystal Lake, IL · No drug or device payments recorded (2025) · (815) 455-6000
Dr. Sanjeev Gupta, MD
Crystal Lake, IL · $40 in drug and device payments (2025) · Telehealth · (815) 479-7490
Dr. Sonia Mehta, M.D.
Crystal Lake, IL · $19 in drug and device payments (2025) · (815) 338-6600
Dr. Syed Asghar, M.D.
Crystal Lake, IL · $79 in drug and device payments (2025) · (815) 459-3030
Dr. Syed Haider, M.D.
Crystal Lake, IL · $23 in drug and device payments (2025) · Telehealth · (815) 455-6000
Dr. William Stinson, MD
Crystal Lake, IL · No drug or device payments recorded (2025) · Telehealth · (815) 338-6600
Dr. Zbigniew Lorenc, MD
Crystal Lake, IL · $166 in drug and device payments (2025) · (815) 338-6600
Dr. Anil Gopinath, MD
Danville, IL · No drug or device payments recorded (2025) · (217) 554-3000
Dr. Antony Verghese, MD
Danville, IL · No drug or device payments recorded (2025) · (217) 431-7700
Dr. Anu Mani, MD
Danville, IL · No drug or device payments recorded (2025) · (217) 442-7323
Dr. Bhaskara Yelamanchili, M.D
Danville, IL · No drug or device payments recorded (2025) · (217) 554-4510
Dr. Bikramjit Malhotra, M.D.
Danville, IL · No drug or device payments recorded (2025) · (217) 477-4784
Dr. Brijnandan Sodhi, MD
Danville, IL · $2 in drug and device payments (2025) · (217) 431-7200
Dr. Carlos Gotardo, M.D.
Danville, IL · No drug or device payments recorded (2025) · (217) 446-6410
Dr. Cortney Rosser, M.D., M.S.
Danville, IL · No drug or device payments recorded (2025) · (217) 554-3000
Dr. David Lee, M.D.
Danville, IL · No drug or device payments recorded (2025) · (217) 554-6145
Dr. Edward Caballero, MD
Danville, IL · No drug or device payments recorded (2025) · (217) 431-7600
Dr. Harminder Chani, M.D.
Danville, IL · No drug or device payments recorded (2025) · (217) 554-5281
Dr. Mahesh Shah, M.D.
Danville, IL · No drug or device payments recorded (2025) · (217) 554-3000
Dr. Manoucher Ravaee, MD
Danville, IL · No drug or device payments recorded (2025) · (217) 442-3268
Dr. Matthew Ong
Danville, IL · No drug or device payments recorded (2025) · (217) 431-7600
Dr. Meera Yerrabolu, M.D
Danville, IL · No drug or device payments recorded (2025) · (309) 827-4090
Dr. Muhammad Mushtaq, MD
Danville, IL · No drug or device payments recorded (2025) · (217) 431-1100
Dr. Rafia Ali, D.O.
Danville, IL · No drug or device payments recorded (2025) · (217) 554-3000
Dr. Raja Irfan Sadiq, M,D.
Danville, IL · No drug or device payments recorded (2025) · (217) 443-9100
Dr. Roger Joy, M.D.
Danville, IL · No drug or device payments recorded (2025) · (217) 431-4015
Dr. Sijo Sunny
Danville, IL · $410 in drug and device payments (2025) · (217) 443-0146
Dr. Surendra Paruchuri, M.D.
Danville, IL · No drug or device payments recorded (2025) · (217) 477-4730
Dr. Tarunkumar Patel, M.D.
Danville, IL · No drug or device payments recorded (2025) · (217) 554-5382
Dr. Thomas Halloran, MD
Danville, IL · No drug or device payments recorded (2025) · (217) 431-7600
Dr. Tuyet Abraham, MD, MSC
Danville, IL · No drug or device payments recorded (2025) · (217) 554-3000
Dr. Uche Allanah, MD
Danville, IL · No drug or device payments recorded (2025) · (217) 477-4724
Dr. Uma Sekar, M.D
Danville, IL · No drug or device payments recorded (2025) · (217) 446-6410
Dr. Padamjit Singh, M.D.
Darien, IL · $5,068 in drug and device payments (2025) · Telehealth · (630) 910-6200

Conditions Internal Medicine providers in Illinois commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in Illinois?

There are 7,189 Internal Medicine providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.

Do Internal Medicine providers in Illinois offer telehealth?

Yes. 1,260 of the 7,189 Internal Medicine providers in Illinois (about 18%) report offering telehealth services in CMS data.

Which cities in Illinois have the most Internal Medicine providers?

Chicago (2,841), Maywood (252), Springfield (196) have the highest concentration of Internal Medicine providers in Illinois.

How many Internal Medicine providers in Illinois received drug or device company payments?

2,137 of 7,189 Internal Medicine providers in Illinois (30%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Illinois treat?

Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Internal Medicine Doctors in Illinois work in independent practices or large health systems?

Among 3,097 Internal Medicine Doctors in Illinois enrolled in Medicare, 22% bill through a solo or small practice with fewer than 10 clinicians, 10% through a mid-size group of 10 to 99, and 68% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Internal Medicine Doctors in Illinois work at?

According to CMS facility affiliation records, the Illinois hospitals where the most Internal Medicine Doctors hold privileges are Northwestern Medicine Central Dupage Hospital in Winfield; Northshore University Healthsystem - Evanston Hospital in Evanston; Northwestern Memorial Hospital in Chicago.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Internal Medicine in Illinois? Get featured.